# QUIRK STEVE MARK

QUIRK STEVE MARK appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 3 filing roles across Form ADV (3).

## Filings (3)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| — | Form ADV | [TD AMERITRADE, INC.](https://search.stillhousedata.com/firm/7870) | SVP, TRADER GROUP | OMAHA, NE |
| — | Form ADV | [TRADEWISE ADVISORS, INC.](https://search.stillhousedata.com/firm/153744) | CHIEF EXECUTIVE OFFICER | CHICAGO, IL |
| — | Form ADV | [THINKORSWIM ADVISORS, INC.](https://search.stillhousedata.com/firm/111046) | PRESIDENT | CHICAGO, IL |


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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.